diff --git a/Gemfile.lock b/Gemfile.lock
index f8bbf4a..cf9d44b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,28 +7,28 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.1)
       tzinfo (~> 1.1)
-    addressable (2.3.6)
-    builder (3.2.2)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
+    builder (3.2.4)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
     diff-lcs (1.2.5)
-    faraday (0.9.0)
+    faraday (0.17.3)
       multipart-post (>= 1.2, < 3)
     gherkin (2.12.2)
       multi_json (~> 1.3)
     gherkin (2.12.2-x86-mingw32)
       multi_json (~> 1.3)
-    git (1.2.8)
-    github_api (0.12.0)
-      addressable (~> 2.3)
+    git (1.7.0)
+      rchardet (~> 1.8)
+    github_api (0.18.2)
+      addressable (~> 2.4)
       descendants_tracker (~> 0.0.4)
-      faraday (~> 0.8, < 0.10)
-      hashie (>= 3.2)
-      multi_json (>= 1.7.5, < 2.0)
-      nokogiri (~> 1.6.3)
-      oauth2
-    hashie (3.2.0)
-    highline (1.6.21)
+      faraday (~> 0.8)
+      hashie (~> 3.5, >= 3.5.2)
+      oauth2 (~> 1.0)
+    hashie (3.6.0)
+    highline (2.0.3)
     i18n (0.6.11)
     jeweler (2.0.1)
       builder
@@ -39,25 +39,27 @@ GEM
       nokogiri (>= 1.5.10)
       rake
       rdoc
-    json (1.8.1)
-    jwt (1.0.0)
-    mini_portile (0.6.0)
+    json (1.8.6)
+    jwt (2.2.1)
+    mini_portile2 (2.4.0)
     minitest (5.4.0)
-    multi_json (1.10.1)
-    multi_xml (0.5.5)
-    multipart-post (2.0.0)
-    nokogiri (1.6.3.1)
-      mini_portile (= 0.6.0)
-    nokogiri (1.6.3.1-x86-mingw32)
-      mini_portile (= 0.6.0)
-    oauth2 (1.0.0)
-      faraday (>= 0.8, < 0.10)
-      jwt (~> 1.0)
+    multi_json (1.14.1)
+    multi_xml (0.6.0)
+    multipart-post (2.1.1)
+    nokogiri (1.10.9)
+      mini_portile2 (~> 2.4.0)
+    nokogiri (1.10.9-x86-mingw32)
+      mini_portile2 (~> 2.4.0)
+    oauth2 (1.4.4)
+      faraday (>= 0.8, < 2.0)
+      jwt (>= 1.0, < 3.0)
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
-      rack (~> 1.2)
-    rack (1.5.2)
-    rake (10.3.2)
+      rack (>= 1.2, < 3)
+    public_suffix (4.0.5)
+    rack (2.2.2)
+    rake (13.0.1)
+    rchardet (1.8.0)
     rdoc (3.12.2)
       json (~> 1.4)
     rouge (1.6.1)
@@ -73,7 +75,7 @@ GEM
     rspec-mocks (3.0.3)
       rspec-support (~> 3.0.0)
     rspec-support (3.0.3)
-    thread_safe (0.3.4)
+    thread_safe (0.3.6)
     turnip (2.1.1)
       gherkin (~> 2.5)
       rspec (>= 3.0, < 4.0)
@@ -95,4 +97,4 @@ DEPENDENCIES
   turnip (~> 2.0, >= 2.0.2)
 
 BUNDLED WITH
-   1.16.4
+   1.17.3